Chu Maggie — SEC Form 4 filings
SEC reporting owner CIK 1872974. 23 Form 4 filings on record with FilingPulse; latest filed 2026-09-08.
Transaction summary — filings shown
Covers all 23 filings on record, filed 2024-03-05 to 2026-09-08. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 11 legs across 5 filings — 17,311 shares, $6,771,513 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 33.
- Largest priced transaction: sale of 8,926 shares @ $435.22 ($3,884,774) in LITTELFUSE INC /DE, filed 2026-05-21.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| LITTELFUSE INC /DE (LFUS) | SVP, CHRO | 19 | — | 11 legs · 17,311 sh · $6,771,513 | 29 |
| ITT INC. (ITT) | Director | 4 | — | — | 4 |
Form 4 filings — Chu Maggie
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-08 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 5 @ $414.24 | EDGAR |
| 2026-06-08 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 6 @ $480.24 | EDGAR |
| 2026-06-03 | 4/A | ITT INC. (ITT) | Grant/award (A): 935 @ $0 | EDGAR |
| 2026-05-26 | 4 | ITT INC. (ITT) | Grant/award (A): 909 @ $0 | EDGAR |
| 2026-05-21 | 4 | LITTELFUSE INC /DE (LFUS) | Option exercise (M): 4,030 @ $231.64 · Option exercise (M): 4,283 @ $240.76 · Option exercise (M): 3,084 @ $230.39 · Sale (S): 8,926 @ $435.22 · Sale (S): 2,408 @ $436.38 · Sale (S): 63 @ $437.37 · +3 more | EDGAR |
| 2026-04-30 | 4 | LITTELFUSE INC /DE (LFUS) | Sale (S): 317 @ $392.47 · Sale (S): 498 @ $392.47 · Sale (S): 282 @ $396.90 | EDGAR |
| 2026-04-28 | 4 | LITTELFUSE INC /DE (LFUS) | Tax withholding (F): 4 @ $407.14 · Tax withholding (F): 318 @ $407.14 · Tax withholding (F): 206 @ $407.14 · Tax withholding (F): 183 @ $403.02 | EDGAR |
| 2026-04-24 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 1,084 @ $0 | EDGAR |
| 2026-03-09 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 6 @ $323.58 | EDGAR |
| 2026-02-05 | 4 | LITTELFUSE INC /DE (LFUS) | Option exercise (M): 2,061 @ $262.75 · Sale (S): 2,061 @ $326.71 · Option exercise (M): 2,061 (derivative) @ $0 | EDGAR |
| 2025-12-08 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 7 @ $258.99 | EDGAR |
| 2025-09-08 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 7 @ $259.58 | EDGAR |
| 2025-06-09 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 8 @ $214.18 | EDGAR |
| 2025-05-23 | 4 | ITT INC. (ITT) | Grant/award (A): 1,040 @ $0 | EDGAR |
| 2025-04-29 | 4 | LITTELFUSE INC /DE (LFUS) | Tax withholding (F): 154 @ $176.06 · Tax withholding (F): 136 @ $176.06 · Tax withholding (F): 120 @ $179.04 | EDGAR |
| 2025-04-28 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 2,421 @ $0 | EDGAR |
| 2025-01-27 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 1,774 @ $0 | EDGAR |
| 2024-10-02 | 4 | ITT INC. (ITT) | Grant/award (A): 612 @ $0 | EDGAR |
| 2024-08-29 | 4 | LITTELFUSE INC /DE (LFUS) | Sale (S): 182 @ $271.88 · Sale (S): 1,007 @ $273.13 · Sale (S): 45 @ $273.64 | EDGAR |
| 2024-06-03 | 4 | LITTELFUSE INC /DE (LFUS) | Tax withholding (F): 255 @ $256.60 | EDGAR |
| 2024-04-29 | 4 | LITTELFUSE INC /DE (LFUS) | Grant/award (A): 1,571 @ $0 · Grant/award (A): 4,626 (derivative) @ $0 | EDGAR |
| 2024-04-29 | 4 | LITTELFUSE INC /DE (LFUS) | Tax withholding (F): 136 @ $231.64 · Tax withholding (F): 120 @ $231.64 | EDGAR |
| 2024-03-05 | 4 | LITTELFUSE INC /DE (LFUS) | Sale (S): 1,522 @ $240.74 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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